Air-brake coupling.



No. 818,155. PATENTED APR. 17,1906 J. 8. FARLOW. AIR BRAKE COUPLING. APPLICATION FILED 00T.27,1 905 2 SHEETS-SHEET 1 3| we 14 fez attozwugqs fixgx 1% 818,155- v PATENTBD APR.17, 1906. .J. s. FARLOW. AIR BRAKE COUPLING.

' I APPLICATION FILED 0UT.27. 1905.

2 SHEETSSHEET 2.

neu rals stares JOHN S. FARLOXV, OF SALISBURY, MARYLAND.

AER-=BRAKE COUPLENG.

Specification of Letters Patent.

Patented April 17, 1906.

Application filed October 27,1905- Serial No. 284,728.

To (ZZZ whom it may concern.-

Be it known that 1, JOHN S. FARLOW, a

' citizen of the United States, residing at Salisfunnel ther formed, p're versely,

bury, in the county of VVicomico, State of Maryland, have invented certain new and useful Improvements in Air- Brake (Touplings and I do hereby declare the following to be a full, clear, and exact description of the invention, such as Will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to air-brakes, and more particularly to the couplings of the pipe-lines thereof, the invention embodying a con v ling especially adapted for use in fluid pipeines on railroad-cars.

One object of the invention is to provide a coupling which while being extremely simple in arrangement and construction will be efli-' cient and will .not be likely to become broken or deranged.

Another object is to provide a coupling including valves and means for turning off the latter when the coupling is broken.

Other objects and advantages will be apparent from the following specification.

In the drawings forming a portion of this specification, and in which like numerals of reference indicate similar parts in the several views, Figure 1 is a side elevation, showing the present coupler in use connecting the pipes of two cars. Fig.2 is a central longitudinal section of one of the members taken vertically. Fig. 3 is a side elevation of one of the cars, showing the valve in closed posi- Fig. 4 is a detail sectional View of the sleeve and one of the brackets taken trans- Refe rring now to the drawings, the present coupler of course includes two members, one carried by each car. ,These members are identical, however, so a description of one will suffice.

, There is shown a car 5 havingsecured thereto depending brackets 6 and 7, res ectively, which are spaced from each other lbngitudinally of the car, the brackets 7 being located adjacent to the ends thereof. A sleeve 8 is slidably disposed in the brackets and occupies a horizontal position, and this sleeve carries at its outer end a funnel 9, formed inte-- gral with the sleeve and having its major end directed outwardly. Secured within this hollow resilient sphere 10, -ab.ly,-' of rubber and having alining openings 11 and 11 therein, the

former being formed in the outer portion of the sphere, while the latter is formed in the inner portion thereof and communicates with the passage 8 of the sleeve. This sphere is secured in position by screws 12, engaged in the sphere and in the funnel 9, these screws having washers 13, which are pressed into the material of the sphere to prevent the passage of air, dust, or other fluid from the sphgre around the screws.

A collar 14 is carried by the sleeve 8 be tween the brackets 6 and 7, and a helical s ring 15 is engaged with the sleeve between t llS collar and the bracket 6, this spring holding the sleeve against inward movement, while the collar is arranged for engagement of the bracket 7 to limit the outward move. mentof the sleeve.

A turninglug 16 is engaged in the rearward end of t 1e sleeve, and its movable member carries a laterally-extending arm 17, to which is pivoted one end of a link 18, the

edgwith the bracket 7, and the arrangement is such that when the sleeve is moved rear- Wardly the turn-plug is opened, while forward movement of the sleeve under the action of. the spring 15 closes "the plug. hose 19 is carried by a cap 20, engaged with ly pi e 22.

p In dse' when two cars are coupled the spheres 10 thereof have their outer portions brought together to register their openings 11, andthe sleeves 8 are of such length that they are moved against the action of their springs 15 ,to open the valves 16, when the pressure of the fluid within the sphere 10 will prevent the collapse thereof.

Each of'the brackets 6 and 7 includes a stationary attaching-plate a, having depend ing ears a, which are spaced from each other longitudinally of the car. A movable member b has an upwardly-extending wing t, which is engaged between the .ears a and receives therewith a ivot-pin c. The movable member I) of each Bracket consists of a collar (Z, having a. longitudinal slot- 6 therein at its top and opening through its ends. Vertical flangesf extend upwardly from the sleeve at 0 posite sid es of its slot, and secured between t iese flanges there is a plate g, which carries the ear I). This plate 9 terminates short of the bottom of the slot e, and the sleeve 8 is longitudinally slotted to receive a key h,

other end of the link being pivotally connect- A flexible the rearward end of the plug 16, and carries cap 21, which is engaged with the fluid-supsage o which is engagedin the slot 6, the sleeve bein thus prevented from rotation in the bracket. It will be understood that all of the brackets have the same structure. Springs '2 are secured at their lower ends to the collar (1 and at their u per ends to the car to hold the member b yielilably against movement with respect to the member a.

What is claimed is--- 1. The combination with a car, of brackets secured thereto in spaced relation longitudinally of the car, a sleeve slidably engaged in the brackets and extending beyond the end of the car, a hollow resilient body carried by the outer end of the sleeve, said body having an opening in its outer portion and having another 0 ening communicating with the pasf the sleeve, a collar carried by the sleeve between the brackets and arranged for engagement of the outer bracket to limit the outward movement of the sleeve, a spring disposed between the collar and the inner bracket to held the sleeve yieldably against 1 inward movement, a turn-plug carried by the rearward end of the sleeve, means for automatically operating the turn-plug when the sleeve is moved, a fluid-sup ly pipe, and flexible connections between tie turn-plug and said su pl -pi e.

2. T e c bmflination with a car, of brackets secured'thereto ins aced relation longitudinally of the car, a sleeve slidably engaged in the brackets and extending beyond the end of the car, a'funnel carried by the outer end of the sleeve, a hollow resilient body secured in the funnel, said body having registering o enings therein alining with the passage of t esleeve, a collar carried by the sleeve between the brackets and adapted for engagement of the outer bracket to limit the outward movement of the sleeve, a helical spring enga ed with the sleeve between the collar and t e inner bracket to hold the sleeve yieldably against inward movement, a turn-plug engaged in the inner end of the sleeve, a cap en aged with the inner end of the turn-plug, a uid-supply pipe, a cap engaged with the fluid-supply pi e, flexible connections between the caps or the passage of fluid from one cap to the other, and means for automaticallyoperating the valve when the sleeve is moved in the brackets, said means being arranged to close the valve when the sleeve is moved outwardly and to open the valve when the sleeve is moved inwardly.

3. In an air-brake coupling, the combina tion with a sleeve having an exterior longitu dinal slot therein, of a collar slidably engaged with the sleeve, said collar having a slot registering with that of the groove, flanges carried by the collar at op osite sides of its slot and extending outwardly therefrom, a plate secured between the flanges, a wing carried by -the plate, an attaching-plate, spaced wings carried by the attaching-plate and lying atopposite sides of the first-named wing, a pivot-pin engaged in the wings, a key removably engaged in the registering slots, and means for holding the firstnamed wing yieldably against pivotal movementwith respect. to the second-named wings.

In testimony whereof I affix my signature in presence of two witnesses.

JOHN 's. FARLOW. 

